Improvement in spinning machines



@uitrit tatatmt @Hita JOHN RICH, OF WORCESTER, MASSACHUSETTS, ASSIGNORTO HIMSELF, I). RUGGLES, AND J. E. BACON, OF SAME PLACE, AND A. DANIELS,OF FRANKLIN.

Leiters Patent No61,104, dated January 8, 1867.

@Llp dgrhnle entre: tu it tuna glitters linut mit mating pnt uf tigetime TO ALL WHOM IT MAY OONGERN:

Be it known that I, JOHN RICH, ol Worcester, in the State ofMassachusetts, have invented certain new and useful improvement-s inMachinery for Spinning Yarn; and I do hereby declare that the followingis a full, clear, and exact description thereof, reference being had tothe accompanying: drawings, making part oi` this specification, inwhichl Figure 1 is :infront elevation.

Figure 2, a side elevation, with a part of the frame represented astransparent, that the part beyond vmay be seen.

Figure 3, a vertical section, taken in the plane of the line A a, iig.1; and

Figures 4 and 5, sections representing details.

The same letters indicate like parts in all the figures. v

My said invention relates to improvements on the machinery for spinningyarn, described in Letters Patent granted to moyen the 28th dayofFebiuary, 1855, and numbered 46,588.

The accompanying drawings represent only tho improvements whichconstitute my present invention, and such parts as are necessary to showthe connections thereof` with any well-known and suitable spinner,whether ring-groove vand traveller or throstle.

In the said drawings, a represents a frame, and b b two horizontal andparallel rails, in which are mounted the twisting-tubesc, one only beingrepresented. These tubes are suitably journalled to rotate freely in thetwo rails, and they are provided, each, with a whirl, d, to receive aband from a driving-drum, as described in Letters Patent granted to me,and hereinabove referred to. The upper end of each tube, c, is providedwith a pair of spring-fingers, e, which I prefer to make of thinsheet'steel, cut in the ferm represented in iig. 4, and then bent to theforni represented at fig. 5, with' the lower part in the form of anearly complete hollow cylinder, land of slightly greater diameter thanthe bore of the tubes e, so that when sprung into the tube they will beheld in place by the spring of the cylindrical part, as represented infig. 3. The fingers e will spri I open to liberate the thread, and areclosed to nip the thread by a mortise-plate, j', which embraces them.These plates, one-for each pair of ingers,'are attached to a bar, g, orthe bar itself maybe formed with mortises to dispense with the plates.The bar g has a movement up and down, guided by rods i h, or equivalentmeanskto open and close the ngers; which movement is given by the twoarms z' z' of a roclnshaft, j, which is provided with another arm, k,having a connecting-rod, Z, at its outer extremity. The lower end ofthis rod has a long mortise, which embraces and slides on the cam-.shaftmf and one face of it is provided with two parallel ilanches, n n, whichare alternately acted upon by a piu, o, which, for convenience, projectsfrom Vthe face of a cam-wheel, p, on the pam-shaft m, so that at everyrevolution of the said shaft the bar g is elevated to open the ngers,and then depressed to close them. Above the bar g there is a clamp-bar,q, provided with two parallel bars, one at each end, which slide insuitable guides, and their lower ends rest on the perpheries ot' twoheart-cams,pp, on the cam-shaft, so that the said bar g is elevatedanddcpressed by each revolution of the cam-shaft. To the front edge ofthe clamp-bar are connected two parallel rods, 1 r, the lower one beingXed and the upper one jeun nalled so that it can be rocked by an arm, s,at one end. From this upper rod .project a series of spring-clamplingers, t, one for each twister-tube, (but one is representedg) andthese are so formed and placed that when the arm s is in the forwardposition the clamp-iingcrs t will bc so 'far from the lower rod 7* as topermit the rovings to pass freely; and when in the beck position, thelinger t will clamp the rovings against the lower rod r. The elanipinland unclampingopcrations are performed in the following manner: -Theclamps are h'eld in theopen position by a spring, u, which acts on thearm s, and a spring-catch, v, catches on te a pin, er1/projecting fromthe arm s, to hold them in a closed position, When the clamp-bar greaches the end of its downward moti-on, the spring-catch strikes astop, fr, which liberates the arm e of the clamp-rod, that the clampsmay be opened by the tension of the spring u; and when the clamp-bar isrising, the pin w on the arm .xt/is brought in contact with an inclinedcam, y, by which the arm is forced inward until the clamps are closedand the pin w is caught by the spring-catch 1J. The operation ofclamping the'rovings takes place when the required length ci' rovingshas been delivered; andes the length is required to be diifcrent forthreads of diicrcnt degrees of fineness, the

.l P inclined cem if is fitted to slide on a rod, @and provided with Vatemper-screw, so that it can be shifted and set at any desiredelevation.v The roving is on a spool, a', that turns freely instundardsb b on the clamp-bar g, and, as the clamp-bar rises, it isvmade to deliver the roving by rolling against'a delivery-plate, c',which is mounted' so that it. can slidev vertically `on a. rod, d,mounted Aon a rock-shaft, e', journalled to the frame a. The face of thesaid platee is self-adaptingto the Varying diameter of the spool ofroving-by the rocking` of the rod d on t'he said shaft e, and itssurface is caused to bear gently against the roving -on the spool a bythe tension of a. spring,f, attached to the frame and to an arm, y', onthe hub of the rod d. At each operation, when therrequired length of'roving has 'been given out, it is necessary to force back thedelivery-plate from contact with the roving on the spool to stop thedelivery at the time the rovings'are clamped, that the clamps maycontinue to rise to draw the rovings to the extent required to .producethe threads. lhisthrowing back of the delivery-plate is effected byaspur, h', on one of' the sliding rods of the clamp-bar q, which strikesan arm z", on the rock-shaft c', and vibrates it until a spur, j', onthe said shaft is caught by a spring-catch, 7c', which holds it duringthe continued upward movement of the clamp-bar, and until it returns toits lowest position, at which time the clamp-bar strikes thelever of thecatch k to liberate the'rock-shaft, and permit the rock-shaft tobe'moved in the opposite direction by the tension of a spring, l', that thedelivery-plate may again bear againstthe roving on the spool for thenext delivery. The motion of the vrock-shaft last described is caused toact on the rod d to `throw back the delivery-plate by :tu arm, an', onthe rock-shaft, which carries a lever pawL-n, that catches intovtheratchet lteeth of a section rack', o, or the rod d', and on the returnmotion Qfthe rock-shaft, the bent arm of the pawl strikes a stop, p', todisengsgc it from the sector-rack. If .the delivery-plate was relievedfrom the spool'of roving suddenly by inertia, it would continue 'to turnand deliver roving after the delivery-plate liberates the spool. Toprevent this, a little before the delivery-plate is thrown back, it ismade to risc for a short distance with the spool, and whilst yet incontact with the roving; and this is eiected by a spur, q', whichprojects from the rear edge of the clamp-bar g, and which comes incontact with the lower edge of the delivery-plate a little before theback movement takes place, so that the rotation of the spool shall bestopped before the delivery-plate is moved back.

I do not wish it to be undcrstood'as limiting my claim of invention ltothe special arrangement of machinery for imparting the motions hereindescribed, as any skilled machinist may obtain the same motions .bywell-known mechanical equivalents. Nor do'I wish to be understood aslimiting my claim of invention to the special mode of, 'constructing thcnippers on the twisters, as thc mode of construction may be variedwithout changing the mode of operation of this part of my invention.

What claim as new, and desireto secure by Letters Patent, is- Closingand opening the fingers on the twisting-tubes by the motion of the bar,or theequivalent thereof, substantially as and for the purposespecified. v

I And I also claim delivering the roving by the rolling of the peripheryof` the roll of roving en the spool against the surface ofthefdelivery-plate, operated substantially as and for the purposedescribed.

JOHN RICH.

, Witnesses:

J onN l?v GREGORY, CHARLES S. Rmx.

